Electric vehicle thermal management system integrating waste heat recovery, storage and utilization

Abstract

The utility model discloses an integrated residual heat recovery storage utilization's electric automobile heat management system, including cooling medium loop and refrigerant loop, cooling medium loop includes power battery system loop and electric drive system loop, and refrigerant loop includes heat pump air conditioning system loop, and cooling medium loop and refrigerant loop are connected heat exchange through plate heat exchanger, and power battery system loop is connected electric drive system loop through first four -way reversing valve, and the circulation of cooling medium between power battery and electric drive system is controlled through first four -way reversing valve, and heat pump air conditioning system loop includes second four -way reversing valve and in -vehicle heat exchanger, and in -vehicle heat exchanger is controlled as condenser or evaporator through second four -way reversing valve, and the switching of heating or refrigeration work mode of system is completed. The residual heat storage utilization is applied to whole car heat management, and the existing heat management system has the problem of big energy consumption, and the system performance is effectively improved.

Images